Voicemail spam detection is performed based on content of voicemail messages. The content of an incoming voicemail message is compared to a spam template that includes a representation of a spam voicemail. Spam templates may be generated based on spam indications provided by users for voicemail messages they have received. User indications for sufficiently similar voicemail messages may be aggregated by maintaining a vote count for a spam template that reflects how many times a user has indicated a matching voicemail message is spam. A spam template may also include an occurrence count that reflects how many times voicemail messages matching a spam template have been detected in a telephony system. An incoming voicemail message may be compared to spam templates and, responsive to a match of content and/or a corresponding vote count or occurrence count meeting a condition, the voicemail message may be identified as spam.
Legal claims defining the scope of protection, as filed with the USPTO.
5. The method of claim 1, wherein the spam mitigation measure includes blocking the first voicemail message from entering a voicemail inbox of a user.
6. The method of claim 1, wherein the spam mitigation measure includes deleting the first voicemail message.
7. The method of claim 1, wherein the spam mitigation measure includes displaying a message in a user interface indicating that the first voicemail message is spam.
12. The system of claim 8, wherein the spam mitigation measure includes blocking the first voicemail message from entering a voicemail inbox of a user.
13. The system of claim 8, wherein the spam mitigation measure includes displaying a message in a user interface indicating that the first voicemail message is spam.
18. The non-transitory computer-readable storage medium of claim 14, wherein the spam mitigation measure includes blocking the first voicemail message from entering a voicemail inbox of a user.
19. The non-transitory computer-readable storage medium of claim 14, wherein the spam mitigation measure includes deleting the first voicemail message.
20. The non-transitory computer-readable storage medium of claim 14, wherein the spam mitigation measure includes displaying a message in a user interface indicating that the first voicemail message is spam.
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March 3, 2021
June 4, 2024
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